﻿using System;


namespace Program08
{
    class Program
    {
        static void Main(string[] args)
        {
           
            Console.WriteLine(Program.Add(1,1));
            Console.WriteLine("45°的Sin值:{0}", Math.Sin(45));
            Console.WriteLine("Pi:{0}", Math.PI);
            Console.ReadKey();
        }
        public static float Add(float num1, float num2) 
        {
            return num1 + num2;
        }
    }
}
